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bob
Questions and answers by
bob
, page 3
Questions (2,063)
A rocket is fired upwards with 200.0 J of kinetic energy. How high does the rocket get at its highest point? Use the
1 answer
454 views
what are some different elements in a internal proposal
1 answer
466 views
Which word do you use in the following sentence? and why?
(every day or everyday) Karen waited for the school play.
1 answer
342 views
write a power series for e to the 2x and find the interval of convergence
2 answers
1,010 views
how do you translate my winter break in french?
1 answer
337 views
when there is 3.0 x 10^20 molecules in a closed container, the pressure is 1.2 atm. Using a pumper 1.5 x 10^20 more molecules
1 answer
318 views
what does this mean__________
Que tienes en tu mochila?
3 answers
450 views
Who is most likely to be a part of this socioeconomic class?
How do teacher expectations positively or negatively impact this
5 answers
596 views
a)using intercepts, graph the three lines 4x + y - 8=0, 2x - y - 4=0, x + 2y - 16 = 0
1 answer
437 views
when i am rounded to the nearest ten, i am 30. The sum of my two digits is 5. What number am I?
1 answer
193 views
two common ways in which a glacier can cause ersion?
4 answers
361 views
what percent of 180 is 27?
1 answer
289 views
need help with this problem
9-10x2 divided by 5+7
4 answers
358 views
2sin(3x-3.14)-1 find the inverse form of this equation
1 answer
313 views
Choose the correct command form. No __________ uds.esos zapatos sucios en la casa! (llevar)
A. llevan B. lleven C. lleve D. lleva
3 answers
635 views
· Consider the following statements: (a) Asian Americans and Pacific Islanders are a model minority, and (b) Asian Americans
3 answers
765 views
A gas at a pressure of 1 atm, a volume of 1 , and a temperature of 25 C. What would happen to the pressure if the volume were
4 answers
636 views
When a lady faints, what number do you need to bring her?
3 answers
347 views
How do I solve the equations using the elimination method:
.3x-.2y=4 and .4x +.3y= 49/23 Normally I would multiply the decimals
1 answer
653 views
how do I break this down?
4x-7 <-4 over 6 the 4x-7 is all over 6 (like a fraction) I thought I just multiply by 6 to get rid of
2 answers
659 views
At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of
oxygen gas and excess water to produce nitric acid
2 answers
570 views
How do I solve this with the elimination method?
5x-10y=4 5x-10y=5 I need x=, and y= to get an ordered pair, but every time I
3 answers
679 views
I need help!
Solve by the elimination method: 7r-9s=-12 9r+7s=96 When I do this, I get a crazy fraction, and I know the answer is
1 answer
397 views
how do I solve this? I know it's common math, but I cannot remember how!
-4x> 1/11 I think I multiply both sides by 11, but.....
1 answer
348 views
Help!
These are fractions, so bear with me: -5/8 x= -9/10 Solve with the multiplicaation principle. How do I do this? The
2 answers
518 views
Help!
These are fractions, so bear with me: -5/8 x= -9/10 Solve with the multiplicaation principle. How do I do this? The
1 answer
451 views
how do I solve this? I know it's common math, but I cannot remember how!
-4x> 1/11 I think I multiply both sides by 11, but.....
1 answer
329 views
I need help!
Solve by the elimination method: 7r-9s=-12 9r+7s=96 When I do this, I get a crazy fraction, and I know the answer is
1 answer
380 views
train A and b are traveling in the same direction on parallel tracks. Train A is traveling at 40 mph, and B is at 60 mph. Train
1 answer
368 views
train A and b are traveling in the same direction on parallel tracks. Train A is traveling at 40 mph, and B is at 60 mph. Train
1 answer
395 views
iN 1993, THE LIFE EXPECTANCY of males was 68.6 years. In 2000, it was 71.1 years. Let E represent the life expectancy in year t
4 answers
744 views
The ______ of a transverse wave is the distance between 2 crests or 2 troughs.
1 answer
494 views
6 over x to the 10th times x to the 17th over 51
1 answer
270 views
6 over x to the 10th times x to the 17th over 15
2 answers
653 views
Strontium-90 has half-life of 28 years. if a 1.00-mg sample was stored for 112 years. what mass of Sr-90 would remain?
3 answers
1,433 views
i have only a measuremment for one side of a triangle need to find the other to to find area how do i do this
1 answer
282 views
We want to make 100. mL of 1.0 M NaA solution by dissolving solid NaA in water. What mass of solid NaA is needed?
1 answer
402 views
does the pumping of a soap dispenser have anything to do with boyles law?
1 answer
451 views
Does a free falling object have a velocity of zero?
If it does then is it zero for the initial velocity or the final velocity?
1 answer
400 views
A helicopter hovering above a forest fire dumps a large bucket of water. How far does the water fall during the third season?
2 answers
893 views
Frank stands at the base of a building. He throws a 0.12kg rock straight up at a speed of 28m/s so that it rises to a maximum
2 answers
556 views
In the figure below, a box of Cheerios (mass mC = 0.8 kg) and a box of Wheaties (mass mW = 2.5 kg) are accelerated across a
4 answers
596 views
prove the following:
given: ABCD is a trapezoid with bases BC and AD to prove: BX • AX = DX • CX X is the intersection of the
1 answer
666 views
Calculate the sodium ion concentration when 55.0 mL of 4.5 M sodium carbonate is added to 15.0 mL of 3.0 M sodium bicarbonate.
1 answer
442 views
Calculate the molarity and mole fraction of a 2.35 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of
4 answers
1,382 views
Glycerin (C3H8O3) is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 180. g of glycerin to 321 mL
1 answer
636 views
A solution is prepared by mixing 0.0433 mol CH2Cl2 and 0.0623 mol CH2Br2 at 25°C. Assuming the solution is ideal, calculate the
2 answers
516 views
how many grams of oxygen is required to produce 2.0 kg of water??
3 answers
553 views
To reduce theft, the Meredeth Company screens all its employees with a lie detector test that is known to be correct 90 percent
1 answer
639 views
How can an animals structure help survive in different environments?
give three examples
1 answer
367 views
1 molar solution of Pb(NO3)2 you want 3mL of 0.5 Molar Pb(NO3)2 how much of the one molar solution do you mix with H2O to reach
1 answer
432 views
Three members of a club will be selected to serve as officers. The first person selected will be president, the second person
2 answers
546 views
A constant net force of 1500 N gives a toy rocket an acceleration of 2.5 m/s2
1 answer
415 views
A constant net force of 1500 N gives a toy rocket an acceleration of 2.5 m/s2. what is the mass in kg?
4 answers
2,029 views
What si the volume and surface area of a triangular prism with the dimensions of a 2.5 base, 2.5 height, and 7 length
2 answers
761 views
Find the x-intercept:
f(x)=3x^2-5x-11
1 answer
406 views
A 5 m long see saw has a child whose mass is 25 kg sitting on one end. How far in meters from the center should a 70 kg adult
2 answers
564 views
3csc(2X)-5=0 What are the solutions for X and how did you find them out?
5 answers
739 views
sin (4x) = .5 what are the 4 solutions? How did you get them?
4 answers
548 views
Calculate the hydroxide ion conc. and the % ionization @20oC in a 1.25 M NH3 solution. The Kb for NH3 = 1.70x10-5 @20oC.
1 answer
397 views
a bug lives on a corner of a cube and is allowed to travel only on the edge of the cube. in how many ways can bug visit each
1 answer
426 views
a bug lives on a corner of a cube and is allowed to travel only on the edge of the cube. in how many ways can bug visit each
1 answer
451 views
The side of a square measures 3 cm. What is its area?
1 answer
309 views
Invest $5,000 in a savings account at 6.6% interest compounded monthly
1 answer
376 views
In a certain arithmetic sequence, t6 + t15 = –141 and the common difference is –7.
What is the first term of the sequence?
1 answer
449 views
what is range
3 answers
326 views
what does it mean to name the intersection of the planes in a triangular prism
1 answer
365 views
dock is to what as park is to garage?
open is to close as retreat is to what?
10 answers
1,866 views
Make a conjecture about the next item in the sequence:2-6,18,-54
3 answers
489 views
An object with an initial velocity of 5 m/s accelerates uniformly for 15 s.
(a) If the final velocity is 37 m/s, what is the
5 answers
462 views
Calculate the specific heat (\rm{J/g \; ^\circ C}) for a 18.5-\rm g sample of tin that absorbs 183 {\rm J} when temperature
2 answers
1,219 views
how many differnt ways can 50 players in a marching band be arranged in rectanagle arrangement?
3 answers
407 views
What are the chemical elements in citric acid?
1 answer
354 views
A 281 lb fullback runs the 40 yd dash at a speed of 23.0 ± 0.1 mi/h.(a) What is his de Broglie wavelength (in meters)?(b) What
3 answers
751 views
Describe a place where organizations share information among competitors electronically.
1 answer
314 views
What would be the major steps in implementing electronic health record proposal?
I have some ideas are they right? planning
1 answer
395 views
I need help with my final project in cjs/230
4 answers
367 views
Aerial skiing involves speeding down a steep ramp that curves sharply upward at the end to launch the skiers into the air. Once
2 answers
621 views
What is the chemical equation for white flour?
Thanks!
3 answers
975 views
express liquid pentanol and gaseous oxygen as a chemical reaction
3 answers
881 views
find a such that f(x)= ax2-4x+3 has a maximum value of 12
3 answers
1,917 views
find a such that f(x)= ax2-4x+3 has a maximum value of 12
2 answers
489 views
a freight train that is 1 mile long is traveling at 60mph. a second train that is 2 miles long is traveling 40mph. the trains
4 answers
550 views
explain reign of terror face in the french revoloution. discuss robesperre's involvement and evolution of \his political views.
7 answers
509 views
kassie an kesya are dividing $39 into two parts in order that the sum of 2/3 of one part and 3/4 of the other part is $28. What
2 answers
963 views
If b=5 , the angle C=50 and the angle A=50 find the other angle B and the remaining sides and . Give your answer to at least 3
1 answer
336 views
what does que te encatanda mas,el chocolate o la pizza mean
1 answer
320 views
E^2/(e^(E/T)-1)Evaluate dn/dE at fixed T and enter it below.
1 answer
358 views
What angle does the tangent to the curve y(x)=sin^2(x/9)+16sin(x/9) at x=9\pi make with the x-axis?
2 answers
606 views
The velocity of a particle constrained to move along the x-axis as a function of time t is given by:
v(t)=-(13/t_0) sin(t/t_0).
5 answers
969 views
In the vertical jump, an Kobe Bryant starts from a crouch and jumps upward to reach as high as possible. Even the best athletes
9 answers
4,814 views
henry hudson
1 answer
345 views
When Mary is 22 m from the finish line, she has a speed of 4.0 m/s and is 5.0 m behind Sally, who has a speed of 5.0 m/s. Sally
3 answers
889 views
You are given a vector in the xy plane that has a magnitude of 84.0 units and a y component of -49.0 units.
Assuming the x
5 answers
1,346 views
how would i do this problem elina and teresa raced on their bikes to the library after school. they both left at 3:00 pm and
2 answers
1,051 views
a ball of radius 1 is dropped into a V-shaped gutter. The ball touches the gutter's sides at the ball's equator. If the shortest
1 answer
435 views
a ball of radius 1 is dropped into a V-shaped gutter. The ball touches the gutter's sides at the ball's equator. If the shortest
1 answer
445 views
What are the measures of the angles of a right triangle with side lengths of 1, 2, and sqroot of 2? please show/explain work
1 answer
317 views
What was William of Ockham's position on predestination? Where is a good sight to find imformation on this subject?
2 answers
735 views
A man pushes on a piano of mass 180 so that it slides at a constant velocity of 12.0 down a ramp that is inclined at 11.0 above
1 answer
883 views
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